Software Engineer

Software Engineer II (Mid-Level) – .NET Backend / Microservices (Azure) + React/Vue What You’ll Do (Responsibilities) * Build and maintain backend services using C# and modern .NET (.NET 6/8; moving toward .NET 10) * Contribute to microservices-based systems, including helping with incremental migration from monolith to microservices

• Develop and maintain serverless components using Azure Function Apps
• Implement data access patterns using Cosmos DB, Azure Blob Storage, and SQL

Server

• Build and integrate RESTful APIs used by web applications
• Implement secure authentication/authorization with SSO using Microsoft Entra

ID (OAuth2/JWT concepts) * Collaborate with frontend teams and contribute to UI code in React and/or Vue.js (feature work, API integration, debugging, performance fixes)

• Write unit tests and help improve test coverage and overall code quality
• Participate in code reviews, follow engineering standards, and use GitHub +

GitHub Copilot effectively (with good judgment and review discipline Required Qualifications

• 3–6 years professional software engineering experience (or equivalent)
• Strong experience with C#, .NET Core / modern .NET, and building backend

APIs * Practical experience (project/production) with microservices and RESTful web services * Hands-on experience with Azure, including Azure Functions and at least one of: App Services / cloud hosting / Azure-native integrations

• Experience with SQL Server and writing/debugging performant
• Working knowledge of authentication concepts (OAuth2, JWT) and SSO

integration (preferably Entra ID) * Frontend experience required: hands-on work with React and/or Vue.js (JavaScript/TypeScript, component-based UI, consuming REST APIs) * Experience writing unit tests and contributing to a quality-focused engineering culture Preferred / Nice to Have

• Experience helping modernize systems (e.g., monolith → microservices)
• Experience with Cosmos DB and/or Blob Storage in production workloads
• Familiarity with CI/CD and automated testing practices
• Mobile app development experience (or supporting mobile backends
• Exposure to both React and Vue (not just one)

IAA Holdings, LLC (IAA) IAA Holdings, LLC (IAA), a Ritchie Bros. Auctioneers company (NYSE: RBA) and (TSX: RBA), is a trusted global marketplace for insights, services, and transaction solutions for commercial assets and vehicles. Leveraging leading-edge technology and focusing on innovation, IAA’s unique platform facilitates the marketing and sale of total-loss, damaged and low-value vehicles. IAA serves a global buyer base – located throughout over 170 countries – and a full spectrum of sellers, including insurers, dealerships, fleet lease and rental car companies, and charitable organizations. Buyers have access to multiple digital bidding and buying channels, innovative vehicle merchandising, and efficient evaluation services, enhancing the overall purchasing experience. IAA offers sellers a comprehensive suite of services aimed at maximizing vehicle value, reducing administrative costs, shortening selling cycle time and delivering the highest economic returns. RB Global full-time employees are offered medical, dental, vision, and basic life insurances. Employees are able to enroll in our company’s 401k plan and RB Global will match 100% for the first 4% contributed. Employees will also receive 15 days of PTO each year.